2/2/2023 0 Comments Wireshark tutorial bobol wifi![]() ![]() WPA/WPA2 handshakes are captured by passively listening for devices connecting to the target network, or running a deauth attack and then listening for when devices reconnect. It works by creating a rogue access point (AP) identical to the targeted access point, which will send a deauthentication frame whenever one of the devices tries to connect to it instead of the real AP. The second approach doesn’t require any modifications to the ESP-IDF. ![]() ![]() The first is to bypass the declaration of the blocking function at compile-time, which is borrowed from the esp32-deauther project. To get around this used two different approaches. The closed source WiFi libraries of the ESP-IDF block specific arbitrary frames like deauthentication frames. The main challenge in this project is to implement these attacks while using the ESP-IDF development framework. To demonstrate just how simple this can be, developed the ESP32 Wi-Fi Penetration Tool that runs on cheap dev boards and can execute deauthentication and Denial of Service attacks, and capture handshakes and PMKIDs. ![]() Unfortunately, there are several vulnerabilities in the underlying 802.11 standards that could potentially be exploited. WiFi is one of those technologies that most of us would have trouble living without. ![]()
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